Phascum minus (Hook. & Taylor) Kindb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Pottiales family Pottiaceae genus Acaulon species Acaulon muticum Name Homonyms Phascum minus (Hook. & Taylor) Kindb. ex Paris Phascum minus (Hook. & Taylor) Kindb.